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Kia Mentor vs Kia Picanto: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Kia Mentor
64%
MOT pass rate · 5,368 vehicles
Kia Picanto
77%
MOT pass rate · 230,483 vehicles
More reliable
Verdict: On MOT pass rate, the Kia Picanto is the more reliable of the two — 77% pass first time versus 64%. It's one signal among several; check the full breakdown below.

Head to head

Measure Kia Mentor Kia Picanto
MOT pass rate 64% 77% ✓
MOT failure rate 36% 23% ✓
Faults & advisories per test 2.5 1.7 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage 84,162 mi 57,777 mi
Sample size (vehicles) 5,368 230,483

Most common faults

Kia Mentor

  1. Offside Rear Brake pipe slightly corroded (3.6.B.2c)
  2. Parking brake: efficiency below requirements (3.7.B.7)
  3. Nearside Rear Brake pipe slightly corroded (3.6.B.2c)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Kia Picanto

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Oil leak, but not excessive (8.4.1 (a) (i))
  6. Offside Front Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate, the Kia Picanto is the more reliable of the two — 77% pass first time versus 64%. It's one signal among several; check the full breakdown below.

Full Kia Mentor report Full Kia Picanto report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.